Fix CppTypePrinter to check for typemaps for tag types and keep track of them.

Author: tritao

src/Generator/Generators/C/CppTypePrinter.cs

@@ -35,10 +35,21 @@ public CppTypePrinter(BindingContext context) : base(TypePrinterContextKind.Mana
         public TypeMapDatabase TypeMapDatabase => Context.TypeMaps;
         public DriverOptions Options => Context.Options;
 
+        public bool ResolveTypeMaps { get; set; } = true;
         public bool ResolveTypedefs { get; set; }
 
-        public override TypePrinterResult VisitTagType(TagType tag, TypeQualifiers quals)
+        public override TypePrinterResult VisitTagType(TagType tag,
+            TypeQualifiers quals)
         {
+            TypeMap typeMap;
+            if (ResolveTypeMaps && TypeMapDatabase.FindTypeMap(tag, out typeMap) &&
+                !typeMap.IsIgnored)
+            {
+                var typePrinterContext = new TypePrinterContext { Type = tag };
+                var type = typeMap.CppSignatureType(typePrinterContext).ToString();
+                return new TypePrinterResult(type) { TypeMap = typeMap };
+            }
+
             var qual = GetStringQuals(quals);
             return $"{qual}{tag.Declaration.Visit(this)}";
         }
@@ -88,6 +99,9 @@ public override TypePrinterResult VisitPointerType(PointerType pointer,
             TypeQualifiers quals)
         {
             var pointeeType = pointer.Pointee.Visit(this, pointer.QualifiedPointee.Qualifiers);
+            if (pointeeType.TypeMap != null)
+                return pointeeType;
+
             var mod = PrintTypeModifiers ? ConvertModifierToString(pointer.Modifier) : string.Empty;
             pointeeType.NamePrefix.Append(mod);
 

src/Generator/Generators/TypePrinter.cs

@@ -1,4 +1,5 @@
 using CppSharp.AST;
+using CppSharp.Types;
 using System;
 using System.Collections.Generic;
 using System.Text;
@@ -11,6 +12,7 @@ public class TypePrinterResult
         public string Name { get; set; } = string.Empty;
         public StringBuilder NamePrefix { get; set; } = new StringBuilder();
         public StringBuilder NameSuffix { get; set; } = new StringBuilder();
+        public TypeMap TypeMap { get; set; }
 
         public TypePrinterResult(string type = "", string nameSuffix = "")
         {

src/Generator/Types/TypeMapDatabase.cs

@@ -91,6 +91,7 @@ public bool FindTypeMap(Type type, out TypeMap typeMap)
 
             var typePrinter = new CppTypePrinter(Context)
             {
+                ResolveTypeMaps = false,
                 PrintTypeQualifiers = printExtra,
                 PrintTypeModifiers = printExtra,
                 PrintLogicalNames = true